5 inch EBOOK reader,e book reader,e-book reader 5 inch EBOOK reader,e book reader,e-book reader Unique Screen: 5-inch display screen ... SD expansion card Bookmarks Browse mode: support manual mode, auto mode Auto flip function: support for 10 seconds, 30 seconds, 50 ... other formats Menu Language: Simplified Chinese, English, Traditional Chinese Auto power off time: support for 3 minutes, 5 minutes, ...